*SUPPORT*
IN: dax tufa gazzer kiki OUT: BLUE PURPLE PURPLE
IN: fep tufa wif kiki blicket OUT: GREEN YELLOW YELLOW GREEN YELLOW YELLOW
IN: wif kiki OUT: YELLOW YELLOW
IN: fep kiki blicket blicket OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: fep tufa fep kiki OUT: GREEN GREEN GREEN
IN: dax blicket blicket OUT: BLUE BLUE BLUE BLUE
IN: wif tufa fep dax wif OUT: YELLOW GREEN BLUE YELLOW
IN: dax tufa gazzer OUT: BLUE PURPLE
IN: wif OUT: YELLOW
IN: gazzer tufa fep OUT: PURPLE GREEN
IN: dax gazzer blicket kiki OUT: BLUE PURPLE BLUE PURPLE BLUE PURPLE BLUE PURPLE
IN: gazzer OUT: PURPLE
IN: dax tufa dax dax tufa fep kiki OUT: BLUE BLUE BLUE GREEN BLUE BLUE GREEN
IN: dax dax kiki OUT: BLUE BLUE BLUE BLUE

*QUERY*
IN: wif kiki kiki OUT: YELLOW YELLOW YELLOW YELLOW
IN: dax kiki OUT: BLUE BLUE
IN: dax tufa wif dax fep kiki OUT: BLUE YELLOW BLUE GREEN YELLOW BLUE GREEN
IN: fep tufa fep blicket OUT: GREEN GREEN GREEN GREEN
IN: dax tufa dax OUT: BLUE BLUE
IN: dax blicket kiki OUT: BLUE BLUE BLUE BLUE
IN: fep tufa dax OUT: GREEN BLUE
IN: wif blicket blicket OUT: YELLOW YELLOW YELLOW YELLOW
IN: gazzer tufa dax OUT: PURPLE BLUE
IN: fep kiki OUT: GREEN GREEN

*GRAMMAR*
fep -> GREEN 
 wif -> YELLOW 
 dax -> BLUE 
 gazzer -> PURPLE 
 x1 blicket -> [x1] [x1] 
 u1 tufa x1 -> [u1] [x1] 
 x1 kiki -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 